Patents by Inventor In Hyuck CHOI

In Hyuck CHOI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230227986
    Abstract: One aspect of the present invention provides a sodium hydroxide production device, which includes: a first tank configured to store a sodium salt including two or more sodium ions in a molecule; a first electrolysis unit including a first anode chamber and a first cathode chamber which are partitioned by a first separator; and a water supply unit configured to supply water to the first tank and the first cathode chamber, wherein the first tank, a pipe configured to supply an aqueous sodium salt solution produced in the first tank to the first anode chamber, the first anode chamber, and a pipe configured to supply a material produced in the first anode chamber to the first tank constitute a closed loop, and a sodium hypochlorite production device including the same.
    Type: Application
    Filed: March 20, 2023
    Publication date: July 20, 2023
    Applicant: TECHWIN CO., LTD.
    Inventors: Boong Ik JUNG, Jung Sik KIM, Tae Shin CHO, Dong Hyuck CHOI, Tae Woo KIM
  • Publication number: 20230220564
    Abstract: One aspect of the present invention provides a sodium hypochlorite producing system, which includes: a first means configured to obtain saturated salt water and purified water; a second means including a anode chamber and a cathode chamber which are partitioned by a separator, the anode chamber allowing the saturated salt water to be converted into a anodic product including chlorine gas and anodic water, and the cathode chamber allowing the purified water to be converted into a cathodic product including sodium hydroxide, hydrogen gas, and hydroxide ions (OH?); a third means configured to react the anodic product and the cathodic product to produce a mixture including sodium hypochlorite and hydrogen gas; and a fourth means configured to prevent the sodium hydroxide or hydroxide ions (OH?) of the cathodic product or a combination thereof from moving to the anode chamber through the separator.
    Type: Application
    Filed: March 16, 2023
    Publication date: July 13, 2023
    Applicant: TECHWIN CO., LTD.
    Inventors: Boong Ik JUNG, Jung Sik KIM, Tae Shin CHO, Dong Hyuck CHOI, Tae Woo KIM
  • Publication number: 20230128820
    Abstract: A single-signal receiver including an active inductor continuous time linear equalizer and a reference voltage selection equalizer is provided. The single-signal receiver includes a continuous time linear equalizing unit to receive a single signal, and compensate for distortion of the single signal to generate an output, and a reference voltage selection equalizing unit to select one of a first reference voltage value and a second reference voltage value based on a previous output from a comparator, and sample the output from the continuous time linear equalizing unit, based on the one of the first reference voltage value and the second reference voltage value.
    Type: Application
    Filed: October 6, 2022
    Publication date: April 27, 2023
    Applicant: Korea University Research and Business Foundation
    Inventors: Chulwoo KIM, Jong-Hyuck CHOI
  • Publication number: 20230114579
    Abstract: Provided, according to one aspect of the present invention, are a sodium hypochlorite production system and a water treatment method using same, the sodium hypochlorite production system comprising: a first means for obtaining saturated brine and purified water using a first sub-stream branching off from a main stream of water to be treated; a second means for obtaining an anodic product and cathodic product by electrolyzing the saturated brine and purified water; and a third means for obtaining sodium hypochlorite by reacting the anodic product and cathodic product using a second sub-stream branching off from the main stream of the water to be treated.
    Type: Application
    Filed: December 12, 2022
    Publication date: April 13, 2023
    Applicant: TECHWIN CO., LTD.
    Inventors: Boong Ik JUNG, Jung Sik KIM, Tae Shin CHO, Dong Hyuck CHOI, Tae Woo KIM
  • Publication number: 20230106625
    Abstract: Disclosed are an electrode structure including: an electrode plate; and a flow path guide disposed on one side of the electrode plate along the circumference of the electrode plate, and an electrolyzer including the electrode structure.
    Type: Application
    Filed: December 7, 2022
    Publication date: April 6, 2023
    Applicant: TECHWIN CO., LTD.
    Inventors: Boong Ik JUNG, Jung Sik KIM, Tae Shin CHO, Dong Hyuck CHOI, Tae Woo KIM
  • Publication number: 20230085459
    Abstract: An antimicrobial filter media, which includes a non-woven fabric; and an antimicrobial agent bound to the nonwoven fabric by a binder, the antimicrobial agent including silver sodium zirconium hydrogenphosphate and thiabendazole, and the silver sodium zirconium hydrogenphosphate and the thiabendazole are employed at a weight ratio of 1:1.5 to 1.5:1, to an air cleaner including the same, and to a process for preparing the same. The antimicrobial filter media includes silver sodium zirconium hydrogenphosphate and thiabendazole, as an antimicrobial agent, at a specific weight ratio. As a result, it is possible to effectively filter harmful microorganisms to supply purified air, to have excellent antibacterial, antiviral, and antifungal properties at the same time, and to further enhance the durability and lifespan characteristics by virtue of excellent filter damage prevention effect.
    Type: Application
    Filed: July 29, 2022
    Publication date: March 16, 2023
    Applicant: COWAY Co., Ltd.
    Inventors: Kyung Hwan LEE, Yoon Hyuck CHOI, Jong Cheol KIM
  • Patent number: 11587413
    Abstract: In an electronic shift operation apparatus, an operation of a haptic actuator is controlled depending on a kind of shifting stage signal (P.R.N.D) generated at the time of an operation of a shift button to generate a different type of haptic signal, and an operation of the haptic actuator is controlled depending on a distance to a rear object positioned behind a vehicle at the time of an operation of an R-stage button to additionally generate a haptic signal.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: February 21, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, SL Corporation
    Inventors: Ki Jung, Jee Hyuck Choi, Myung Lyul Na, Young Eon Jung, Hong Jun Cha, Seong Guk Bae
  • Publication number: 20230021751
    Abstract: An integrated control system of a vehicle includes: a power manager that receives power of a vehicle and supplies power to a first sensor, a second sensor, and a third sensor connected to an accelerator pedal, a brake pedal, and a transmission, respectively; a sensor signal receiver that receives an accelerator pedal output signal, a brake pedal output signal, and a transmission output signal from the first sensor, second sensor, and third sensor, respectively; a main controller that is connected to the power manager, monitors information about power supplied to the first sensor, second sensor, and third sensor, and integrally controls accelerating, braking, and shifting of the vehicle in response to the accelerator pedal output signal, brake pedal output signal, and transmission output signal; and a communicator that sends the accelerator pedal output signal, brake pedal output signal, and transmission output signal to a plurality of relevant control units.
    Type: Application
    Filed: May 26, 2022
    Publication date: January 26, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Myung Yul Na, Jee Hyuck Choi, Jeong Seon Min, Yong Ik Kim, Ki Jung, Ja Yong Koo, Yong Hee Kim, Sun Il Kim, Jong Mo Goo, Jun Hyeong Lee, Bum Woo Nam, Bum Jun Kim
  • Patent number: 11487044
    Abstract: The present invention relates to a trench cross-section reference line setting device, comprising: a trench reference line setting body unit (100) for setting a trench cross-section reference line, wherein the trench reference line setting body unit (100) has a sensor unit (10) at the center thereof, two horizontal units (20) orthogonal to each other on the upper surface thereof, and three laser light source units (30) and a grid photographing unit (110?), respectively, on the side surfaces thereof; a reference line setting tripod unit (200) rotatably coupled to the trench reference line setting body unit (100) and having a posture adjusting unit (230) and a height adjusting unit (250); and a trench stratum analysis server (300) for receiving a fault image photographed by the grid photographing unit (110?) of the trench reference line setting body unit (100) and creating a stratum map of a trench cross-section structure.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: November 1, 2022
    Assignee: KOREA INSTITUTE OF GEOSCIENCES AND MINERAL RESOURCES
    Inventors: Yong Sik Gihm, Kwangmin Jin, Jin Hyuck Choi
  • Publication number: 20220344447
    Abstract: A partial transparent display device has a light transmitting function and a light emitting function in one area. The partial transparent display device includes a substrate, a transparent emission area, a driving emission area, and a pad part. The transparent emission area is disposed to be adjacent to one side of the substrate. The driving emission area is disposed to be adjacent to the transparent emission area and to be closer to the other side opposite to the one side. The pad part extends from the driving emission area and is disposed on the other side. The driving emission area includes driving emission pixels which are defined by scan lines, data lines, and pixel driving power supply lines. The transparent emission area includes transparent emission pixels which are defined without the scan lines, the data lines, and the pixel driving power supply lines.
    Type: Application
    Filed: July 8, 2022
    Publication date: October 27, 2022
    Inventors: Donghyun LEE, Chul NAM, Hyuck CHOI
  • Patent number: 11416020
    Abstract: An integrated driving control device configured to integrally control acceleration, deceleration, shifting and steering of a vehicle, may include a knob unit, a rotating unit engaged to the knob unit and configured to control steering of a vehicle in a response to rotation of the knob unit, and a sliding unit engaged to the rotating unit and configured to control acceleration and deceleration of the vehicle in a response to sliding movement of the knob unit.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: August 16, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, SL Corporation
    Inventors: Jee Hyuck Choi, Gi Man Park, Hong Jun Cha
  • Patent number: 11417717
    Abstract: A partial transparent display device has a light transmitting function and a light emitting function in one area. The partial transparent display device includes a substrate, a transparent emission area, a driving emission area, and a pad part. The transparent emission area is disposed to be adjacent to one side of the substrate. The driving emission area is disposed to be adjacent to the transparent emission area and to be closer to the other side opposite to the one side. The pad part extends from the driving emission area and is disposed on the other side. The driving emission area includes driving emission pixels which are defined by scan lines, data lines, and pixel driving power supply lines. The transparent emission area includes transparent emission pixels which are defined without the scan lines, the data lines, and the pixel driving power supply lines.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: August 16, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Donghyun Lee, Chui Nam, Hyuck Choi
  • Patent number: 11335682
    Abstract: An integrated circuit device may include a fin-type active region extending in a first direction on a substrate; an insulating separation structure extending in a second direction that intersects the first direction on the fin-type active region; a pair of split gate lines spaced apart from each other with the insulating separation structure therebetween and extending in the second direction to be aligned with the insulating separation structure; a pair of source/drain regions located on the fin-type active region and spaced apart from each other with the insulating separation structure therebetween; and a jumper contact located over the insulating separation structure and connected between the pair of source/drain regions.
    Type: Grant
    Filed: July 3, 2020
    Date of Patent: May 17, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-hyuck Choi, Hae-wang Lee, Hyoun-jee Ha, Chul-hong Park
  • Patent number: 11316119
    Abstract: Disclosed are a curved display apparatus and a method of manufacturing the same, which improve a luminance difference between a flat part and a curved part. The curved display apparatus having a flat part and a bending part extending from one side of the flat part, either of the flat part and the bending part defining a plurality of emission areas therein, wherein the curved display apparatus comprises: a light emitting device layer including a plurality of light emitting devices to form the emission areas, wherein a slope film is provided in the bending part such that an emission surface of the emission areas in the bending part is almost parallel to an emission surface of the emission areas in the flat part.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: April 26, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Hyuck Choi
  • Patent number: 11305648
    Abstract: A kickdown switch for an accelerator pedal informs a driver of a misoperation state by using a kickdown switch provided in the accelerator pedal when the driver misoperates the accelerator pedal rather than operating a brake pedal while braking is required. Accordingly, the driver can definitely recognize the misoperation state of the accelerator pedal and rapidly stop misoperation of the accelerator pedal and sudden acceleration of the vehicle, whereby occurrence of accidents can be prevented.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: April 19, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Ja Yong Koo, Jee Hyuck Choi, Chang Hyun Lee, Eun Sik Kim, Eul Ho Son, Wi Sang Park
  • Publication number: 20220092951
    Abstract: In an electronic shift operation apparatus, an operation of a haptic actuator is controlled depending on a kind of shifting stage signal (P.R.N.D) generated at the time of an operation of a shift button to generate a different type of haptic signal, and an operation of the haptic actuator is controlled depending on a distance to a rear object positioned behind a vehicle at the time of an operation of an R-stage button to additionally generate a haptic signal.
    Type: Application
    Filed: April 12, 2021
    Publication date: March 24, 2022
    Applicants: Hyundai Motor Company, Kia Corporation, SL Corporation
    Inventors: Ki JUNG, Jee Hyuck CHOI, Myung Lyul NA, Young Eon JUNG, Hong Jun CHA, Seong Guk BAE
  • Patent number: D959189
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: August 2, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gi-Sung Han, Kang-Doo Kim, June-Hyuck Choi, Sun-Min Lee
  • Patent number: D970954
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: November 29, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeon-Su Kim, June-Hyuck Choi, Yeon-Young Nam, Gi-Sung Han, Bo-Kyeong Lee
  • Patent number: D977292
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: February 7, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeon-Su Kim, June-Hyuck Choi, Yeon-Young Nam, Gi-Sung Han, Bo-Kyeong Lee
  • Patent number: D988066
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: June 6, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeon-Su Kim, June-Hyuck Choi, Yeon-Young Nam, Gi-Sung Han, Bo-Kyeong Lee